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Calculate the frequency and the energy of a photon with the wavelength of 420 nm.? What Time Would be 1 hour and 05 Minutes Before 11:20? Calculate ΔE, if q= 0.764 kJ and w= -810 J .? 1.Determine whether each of these functions are one-to-one from R to R. (a) f(x) = −3x + 4
(b) f(x) = −3x2 + 7.? Should I take physics, or genetics?